A blood spatter expert has testified that he found blood on the handgun belonging to William Sandeson, who's standing trial on a first-degree murder charge.

Sandeson is accused of killing Taylor Samson, 22, in Halifax in August 2015. Sandeson was 23 at the time. 

This is the second time Sandeson has faced a trial on this charge in Nova Scotia Supreme Court. A new trial was ordered in 2020 after a verdict from a trial in 2017 was overturned on appeal.

RCMP Sgt. Adrian Butler said he was given photo…